Bugbear Champion of Hruggek

Brute. A melee weapon deals one extra die of its damage when the bugbear hits with it (included in the attack).

Indomitable (2/Day). The bugbear rerolls a failed saving throw.  It must use the new roll.

Second Wind (Recharges after a Short or Long Rest). As a bonus action, the bugbear can regain 15 hit points.

Surprise Attack. If the bugbear surprises a creature and hits it with an attack during the first round of combat, the target takes an extra 7 (2d6) damage from the attack.

Multiattack. The bugbear makes two attacks with its great morningstar or javelin

Great Morningstar. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 18 (2d12+5) bludgeoning damage. If the target is a creature and the attack roll against the target succeeds by 5 or more, the target must succeed on a DC 16 Constitution saving throw or be stunned until the end of its next turn.

Javelin. Melee or Ranged Weapon Attack: +8 to hit, reach 5 ft. or range 30/120 ft., one target. Hit: 12 (2d6 + 5) piercing damage in melee or 8 (1d6 + 5) piercing damage at range.